medium grained asphalt concrete的意思|示意

中粒级配地沥青混凝土 ... 中龄公共屋：middle-age public housing estate 中粒级配地沥青混凝土：medium grained asphalt concrete 中块石圬工：cobble stone masonry ...

中粒级 ... · mechanical refrigerating system 机械冷 · medium grained asphalt concrete 中粒级 · habit 矿物结晶形态；习惯 ...